disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/ia64/include/asm/sal.h
..
..
@@ -43,6 +43,7 @@
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 #include <asm/pal.h>
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 #include <asm/fpu.h>
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+extern unsigned long sal_systab_phys;
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 extern spinlock_t sal_lock;
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 /* SAL spec _requires_ eight args for each call. */